Difference between revisions of "Selenia grandis"
Rhodora 40: 183. 1938.
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|place=40: 183. 1938 | |place=40: 183. 1938 | ||
|year=1938 | |year=1938 | ||
| + | }} | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
}} | }} | ||
|basionyms= | |basionyms= | ||
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|name=Selenia oinosepala | |name=Selenia oinosepala | ||
|authority=Steyermark | |authority=Steyermark | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Brassicaceae;Brassicaceae tribe Cardamineae;Selenia;Selenia grandis | |hierarchy=Brassicaceae;Brassicaceae tribe Cardamineae;Selenia;Selenia grandis | ||
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|elevation=0-100 m | |elevation=0-100 m | ||
|distribution=Tex. | |distribution=Tex. | ||
| − | |discussion=<p>Selenia grandis, which is restricted to the lower valley of the Rio Grande, is easily distinguished from other species of the genus by the presence of vesicles on fruits and by the persistent sepals.</p> | + | |discussion=<p><i>Selenia grandis</i>, which is restricted to the lower valley of the Rio Grande, is easily distinguished from other species of the genus by the presence of vesicles on fruits and by the persistent sepals.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Selenia grandis | name=Selenia grandis | ||
| − | |||
|authority=R. F. Martin | |authority=R. F. Martin | ||
|rank=species | |rank=species | ||
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|publication title=Rhodora | |publication title=Rhodora | ||
|publication year=1938 | |publication year=1938 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V7/V7_795.xml |
|tribe=Brassicaceae tribe Cardamineae | |tribe=Brassicaceae tribe Cardamineae | ||
|genus=Selenia | |genus=Selenia | ||
Latest revision as of 22:36, 5 November 2020
Plants winter annuals. Stems erect to ascending, (slender or stout), 1.5–6.5 dm. Basal leaves (soon withered), early rosulate; petiole 1–4 cm; blade margins 2- or 3-pinnatisect, 4–15 cm; lobes 8–16 on each side; apical segment oblong to ovate, 1–10(–12) × 0.5–2(–3.5) mm, margins entire. Cauline leaves (and bracts) similar to basal, smaller distally (lobes fewer). Fruiting pedicels: some from basal rosette (straight or slightly recurved), (30–)50–100(–180) mm. Flowers: sepals (persistent), erect, oblong-lanceolate, 9–12(–15) × 2–3.5 mm, apex appendage well-developed, (1–)2–4 mm; petals broadly obovate, 12–15(–20) × (5–)7–11 mm, apex rounded; median filament pairs 4–6 mm, slightly dilated basally; anthers linear, 3–4 mm; gynophore usually obsolete, rarely to 2 mm. Fruits oblong, somewhat inflated, (0.8–)1–2(–2.5) cm × 5.5–7.5 mm, (fleshy green, thick, leathery), base and apex obtuse to subacute; valves (covered with well-developed vesicles), not veined; replum rounded; septum complete; ovules 16–44 per ovary; style 2–5(–7) mm, not flattened basally. Seeds 4–5 mm diam.; wing 1–1.5 mm. 2n = 24.
Phenology: Flowering Dec–Mar.
Habitat: Open grounds, fields, flood plains, roadsides, slightly saline alluvial silt, ditch banks
Elevation: 0-100 m
Discussion
Selenia grandis, which is restricted to the lower valley of the Rio Grande, is easily distinguished from other species of the genus by the presence of vesicles on fruits and by the persistent sepals.
Selected References
None.